1. Multiply. x X x³.
2. Multiply. T9 x t4 x t8
T21
T13
T12
T44
3. Use estimation to determine whether the result is reasonable or not. 351.23 + 3.71 Results: 354.833
Reasonable or Not reasonable
4. Simplify the expression by combining like terms. - 8x - 4x
-4x
32x
-12 + x
-12x
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